Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: SPKNWADZDS3

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
509-841 9 Waitsburg WA 159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 676   2022-02-18   
509-852 8 Cle Elum WA 159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 676   2021-07-30   
509-852 9 Cle Elum WA 159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 676   2018-11-09   
509-871 6 Oroville WA 159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 676   2024-03-18   
509-871 8 Oroville WA 159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 676   2021-03-05   
509-890 A Deer Park WA 159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 676      
509-895 2 Yakima WA 159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 676   2006-10-02   
509-900 1 Spokane WA 159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 676   2020-06-30   
509-905 9 Pasco WA 159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 676   2021-07-31   
541-809 0 Milton-Freewater OR 157F PEERLESS NETWORK OF OREGON, LLC - OR 676   2015-04-10   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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